690 Warren Ln, Key Biscayne, FL 33149
Local realty services provided by:CENTURY 21 North East
690 Warren Ln,Key Biscayne, FL 33149
$5,478,000
- 4 Beds
- 4 Baths
- 3,549 sq. ft.
- Single family
- Active
Listed by: brigitte nachtigall, mark chatburn
Office: one sotheby's international realty305-365-2811
MLS#:A12010108
Source:SEFMLS
Price summary
- Price:$5,478,000
- Price per sq. ft.:$1,167.77
About this home

A truly exceptional Miami Modern Tropical residence set on a prime 8,010 SF corner lot, offering 3,549 SF of beautifully curated living space with 4 bedrooms and 3.5 bathrooms. Designed by architect Hervin Romney, a founding member of Arquitectonica, the home reflects a distinctive architectural vision inspired by the organic principles of Frank Lloyd Wright and the expressive forms of Antoni Gaudí, where art, design, and nature seamlessly converge.
This residence captivates with its abundance of natural light, soaring high ceilings, fluid open spaces, and harmonious lines that create a sense of warmth, sophistication, and effortless flow throughout the main living areas.
The beautifully remodeled kitchen and bar are a true centerpiece, featuring high-end appliances, premium finishes, refined craftsmanship, and a design that balances functionality with striking aesthetics.
Step outside into your own private tropical retreat, where lush landscaping, graceful curved terraces, and a stunning swimming pool create an atmosphere of tranquility and escape. This outdoor sanctuary is perfect for both relaxation and entertaining.
As an added privilege, the property includes membership to the Key Biscayne Beach Club, offering exclusive access to one of Miami’s most coveted coastal lifestyles. Key Biscayne is renowned for its pristine beaches, charming restaurants, and vibrant yet relaxed atmosphere—delivering a true island lifestyle just minutes from the city....
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Home facts
- Year built:2000
- Listing ID #:A12010108
- Updated:June 14, 2026 at 09:56 AM
Rooms and interior
- Bedrooms:4
- Total bathrooms:4
- Full bathrooms:3
- Half bathrooms:1
- Flooring:Hardwood, Marble, Wood
- Dining Description:Dining Area, Separate Formal Dining Room
- Bathrooms Description:Bidet, Dual Sinks, Separate Shower
- Kitchen Description:Built In Oven, Dishwasher, Disposal, Gas Range, Ice Maker, Kitchen Island, Microwave, Refrigerator, Trash Compactor
- Bedroom Description:Upper Level Primary, Walk-In Closets
- Living area:3,549 sq. ft.
Heating and cooling
- Cooling:Central Air
- Heating:Central
- Central air:Yes
Structure and exterior
- Roof:Aluminum, Flat, Tile
- Year built:2000
- Building area:3,549 sq. ft.
- Lot area:0.18 Acres
- Architectural Style:Two Story
- Construction Materials:Block
- Exterior Features:Balcony, Fence, Open, Security High Impact Doors
- Levels:2 Story
Schools
- High school:Coral Gables
- Middle school:Ponce De Leon
- Elementary school:Keybiscayne
Utilities
- Water:Public
- Sewer:Public Sewer
Finances and disclosures
- Price:$5,478,000
- Price per sq. ft.:$1,167.77
- Tax amount:$19,950 (2025)
Features and amenities
- Appliances:Built-In Oven, Dishwasher, Disposal, Dryer, Gas Range, Ice Maker, Microwave, Refrigerator, Trash Compactor, Washer
- Laundry features:Dryer, Washer
- Amenities:Balcony, Blinds, Closet Cabinetry, Fire Sprinkler System, High Ceilings, Impact Glass Windows, Smoke Detectors
- Pool features:In Ground, Pool
Parking
- Parking description:Driveway
- Garage:Yes
- Garage spaces:2
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